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 ###Instrução: Quais são as voltas mais baixas de Graham Hill?
 ###Tabelas: CREATE TABLE classification (classification_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Constructor VARCHAR, Laps INT, Time/Retired VARCHAR, Grid INT) CREATE TABLE other_bibliographic_details (other_bibliographic_details_id AUTO_INCREMENT PRIMARY KEY, Start month VARCHAR, End month VARCHAR, Cover VARCHAR, Spine VARCHAR, Indicia VARCHAR, Masthead VARCHAR, Number of issues INT) CREATE TABLE leaders_in_the_northern_ireland_assembely (leaders_in_the_northern_ireland_assembely_id AUTO_INCREMENT PRIMARY KEY, Leader VARCHAR, Party VARCHAR, Leader's Seat VARCHAR, Number of Seats INT, Leader since VARCHAR) CREATE TABLE by_seasons_and_teams (by_seasons_and_teams_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Races INT, Wins INT, Podiums INT, Poles INT, Fastest Laps INT) CREATE TABLE career_finals_9_titles_2_runner-ups (career_finals_9_titles_2_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome INT, Year INT, Tournament VARCHAR, Opponent in final VARCHAR, Score VARCHAR)  
SELECT MIN Laps FROM classification WHERE Driver = graham hill